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Annotation of src/usr.bin/ssh/sftp-glob.c, Revision 1.5

1.1       djm         1: /*
                      2:  * Copyright (c) 2001 Damien Miller.  All rights reserved.
                      3:  *
                      4:  * Redistribution and use in source and binary forms, with or without
                      5:  * modification, are permitted provided that the following conditions
                      6:  * are met:
                      7:  * 1. Redistributions of source code must retain the above copyright
                      8:  *    notice, this list of conditions and the following disclaimer.
                      9:  * 2. Redistributions in binary form must reproduce the above copyright
                     10:  *    notice, this list of conditions and the following disclaimer in the
                     11:  *    documentation and/or other materials provided with the distribution.
                     12:  *
                     13:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
                     14:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
                     15:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
                     16:  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
                     17:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
                     18:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
                     19:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
                     20:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
                     21:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
                     22:  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
                     23:  */
                     24:
                     25: #include "includes.h"
1.5     ! markus     26: RCSID("$OpenBSD: sftp-glob.c,v 1.4 2001/04/05 10:42:53 markus Exp $");
1.1       djm        27:
                     28: #include <glob.h>
                     29:
                     30: #include "ssh.h"
                     31: #include "buffer.h"
                     32: #include "bufaux.h"
                     33: #include "getput.h"
                     34: #include "xmalloc.h"
                     35: #include "log.h"
                     36: #include "atomicio.h"
                     37: #include "pathnames.h"
                     38:
                     39: #include "sftp.h"
                     40: #include "sftp-common.h"
                     41: #include "sftp-client.h"
                     42: #include "sftp-glob.h"
                     43:
                     44: struct SFTP_OPENDIR {
                     45:        SFTP_DIRENT **dir;
                     46:        int offset;
                     47: };
                     48:
                     49: static struct {
                     50:        int fd_in;
                     51:        int fd_out;
                     52: } cur;
                     53:
                     54: void *fudge_opendir(const char *path)
                     55: {
                     56:        struct SFTP_OPENDIR *r;
                     57:
                     58:        r = xmalloc(sizeof(*r));
                     59:
                     60:        if (do_readdir(cur.fd_in, cur.fd_out, (char*)path, &r->dir))
                     61:                return(NULL);
                     62:
                     63:        r->offset = 0;
                     64:
                     65:        return((void*)r);
                     66: }
                     67:
                     68: struct dirent *fudge_readdir(struct SFTP_OPENDIR *od)
                     69: {
                     70:        static struct dirent ret;
                     71:
                     72:        if (od->dir[od->offset] == NULL)
                     73:                return(NULL);
                     74:
                     75:        memset(&ret, 0, sizeof(ret));
1.4       markus     76:        strlcpy(ret.d_name, od->dir[od->offset++]->filename,
1.1       djm        77:            sizeof(ret.d_name));
                     78:
                     79:        return(&ret);
                     80: }
                     81:
                     82: void fudge_closedir(struct SFTP_OPENDIR *od)
                     83: {
                     84:        free_sftp_dirents(od->dir);
1.3       stevesk    85:        xfree(od);
1.1       djm        86: }
                     87:
                     88: void attrib_to_stat(Attrib *a, struct stat *st)
                     89: {
                     90:        memset(st, 0, sizeof(*st));
                     91:
                     92:        if (a->flags & SSH2_FILEXFER_ATTR_SIZE)
                     93:                st->st_size = a->size;
                     94:        if (a->flags & SSH2_FILEXFER_ATTR_UIDGID) {
                     95:                st->st_uid = a->uid;
                     96:                st->st_gid = a->gid;
                     97:        }
                     98:        if (a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)
                     99:                st->st_mode = a->perm;
                    100:        if (a->flags & SSH2_FILEXFER_ATTR_ACMODTIME) {
                    101:                st->st_atime = a->atime;
                    102:                st->st_mtime = a->mtime;
                    103:        }
                    104: }
                    105:
                    106: int fudge_lstat(const char *path, struct stat *st)
                    107: {
                    108:        Attrib *a;
                    109:
1.2       djm       110:        if (!(a = do_lstat(cur.fd_in, cur.fd_out, (char*)path, 0)))
1.1       djm       111:                return(-1);
                    112:
                    113:        attrib_to_stat(a, st);
                    114:
                    115:        return(0);
                    116: }
                    117:
                    118: int fudge_stat(const char *path, struct stat *st)
                    119: {
                    120:        Attrib *a;
                    121:
1.2       djm       122:        if (!(a = do_stat(cur.fd_in, cur.fd_out, (char*)path, 0)))
1.1       djm       123:                return(-1);
                    124:
                    125:        attrib_to_stat(a, st);
                    126:
                    127:        return(0);
                    128: }
                    129:
                    130: int
1.4       markus    131: remote_glob(int fd_in, int fd_out, const char *pattern, int flags,
1.5     ! markus    132:     int (*errfunc)(const char *, int), glob_t *pglob)
1.1       djm       133: {
                    134:        pglob->gl_opendir = (void*)fudge_opendir;
                    135:        pglob->gl_readdir = (void*)fudge_readdir;
                    136:        pglob->gl_closedir = (void*)fudge_closedir;
                    137:        pglob->gl_lstat = fudge_lstat;
                    138:        pglob->gl_stat = fudge_stat;
                    139:
                    140:        memset(&cur, 0, sizeof(cur));
                    141:        cur.fd_in = fd_in;
                    142:        cur.fd_out = fd_out;
                    143:
1.4       markus    144:        return(glob(pattern, flags | GLOB_ALTDIRFUNC, (void*)errfunc,
1.1       djm       145:            pglob));
                    146: }